* Copyright 2005, Stephan Aßmus <superstippi@gmx.de>.
* Copyright 2008, Andrej Spielmann <andrej.spielmann@seh.ox.ac.uk>.
* All rights reserved. Distributed under the terms of the MIT License.
*
* DrawingMode implementing B_OP_SELECT on B_RGBA32.
*
*/
#ifndef DRAWING_MODE_SELECT_SUBPIX_H
#define DRAWING_MODE_SELECT_SUBPIX_H
#include "DrawingMode.h"
#include "GlobalSubpixelSettings.h"
#define BLEND_SELECT_SUBPIX(d, r, g, b, a1, a2, a3) \
{ \
BLEND_SUBPIX(d, r, g, b, a1, a2, a3); \
}
void
blend_solid_hspan_select_subpix(int x, int y, unsigned len, const color_type& c,
const uint8* covers, agg_buffer* buffer, const PatternHandler* pattern)
{
uint8* p = buffer->row_ptr(y) + (x << 2);
rgb_color high = pattern->HighColor();
rgb_color low = pattern->LowColor();
rgb_color color;
const int subpixelL = gSubpixelOrderingRGB ? 2 : 0;
const int subpixelM = 1;
const int subpixelR = gSubpixelOrderingRGB ? 0 : 2;
do {
if (pattern->IsHighColor(x, y)) {
if (compare(p, high, low, &color)){
BLEND_SELECT_SUBPIX(p, color.red, color.green, color.blue,
covers[subpixelL], covers[subpixelM], covers[subpixelR]);
}
}
covers += 3;
p += 4;
x++;
len -= 3;
} while (len);
}
#endif
